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Finding the Fourth Proportional to 8,928.12, 13,393.08 and 2,354.76

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Solution

The fourth proportional to 8,928.12, 13,393.08 and 2,354.76 is: 3,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.12 : 13,393.08 = 2,354.76 : x
  2. Step 2: Convert to fraction form
    8,928.12/13,393.08 = 2,354.76/x
  3. Step 3: Cross multiply
    8,928.12x = 13,393.08 × 2,354.76
  4. Step 4: Simplify right side
    8,928.12x = 31,537,489.06
  5. Step 5: Solve for x
    x = 31,537,489.06/8,928.12
  6. Step 6: Final answer
    x = 3,532.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.